What key date pennies should you look for?

Answer 1

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1930 extremely rare , a recent sale fetched in the hundreds of thousands.
1937 none to be known to exist in the mainstream, a few may be in a Museum.
1923 half penny very rare, and can still be bought on E.Bay, although in mint condition, a lot of money.
1946 Penny can be bought for $50.00, in Mint condition a lot more.
Many Pennies are worth money , depending on their condition, looking on
E.Bay often gives you an idea of what People are willing to pay.
Also the Coin Auctions are a very good indicator of price.
The 1925 Penny can also fetch a lot of money from $200.00 to Thousands,
it is becoming a very desirable coin, there are several key dates, and all depending on condition.